medium Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 11] → [_, 4, _] → [3, 3, _, 6]

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Answer: Row2[1]=10, Row3[1]=6, Row4[3]=1, Row3[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [10,11]
  • [6,4,7]
  • [3,3,1,6]
Base
  • 3
  • 3
  • 1
  • 6
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 16] → [_, _, _] → [9, 8, 3, 2]

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Answer: Row3[3]=5, Row3[1]=17, Row3[2]=11, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [28,16]
  • [17,11,5]
  • [9,8,3,2]
Base
  • 9
  • 8
  • 3
  • 2
TopValue
44
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 17] → [15, _, 7] → [7, _, _, 5]

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Answer: Row4[3]=2, Row4[2]=8, Row3[2]=10, Row1[1]=42

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [25,17]
  • [15,10,7]
  • [7,8,2,5]
Base
  • 7
  • 8
  • 2
  • 5
TopValue
42
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 14, 16] → [3, 6, 8, 8]

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Answer: Row2[1]=23, Row3[1]=9, Row2[2]=30, Row1[1]=53

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [23,30]
  • [9,14,16]
  • [3,6,8,8]
Base
  • 3
  • 6
  • 8
  • 8
TopValue
53
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":30}
  • {"r":0,"c":0,"v":53}